HRMY vs RBB: Correlation
Measured on weekly returns over the past three years, Harmony Biosciences Holdings, Inc. (HRMY) and RBB Bancorp (RBB) carry a correlation of 0.51, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HRMY and RBB?
On 3 years of weekly data the HRMY/RBB correlation comes out at 0.51, moderate. Recent behaviour matches the longer record: 0.56 over 1 year against 0.51 over 3. The 5-year figure is 0.34, and annualized covariance runs at 815.4 %².
RBB is one of the assets that tracks HRMY most closely: it ranks #3 out of the 11 assets we track against HRMY. The last year tells two different stories: RBB led by 27.0 percentage points, +4.8% for HRMY against +31.8% for RBB. Risk is not evenly split, since HRMY carries 1.5 times the volatility of the other side.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
HRMY vs RBB: side by side
| HRMY (Harmony Biosciences Holdings, Inc.) | RBB (RBB Bancorp) | |
|---|---|---|
| 1-year return | +4.8% | +31.8% |
| 5-year return | +7.6% | +22.2% |
| Volatility (ann.) | 49.1% | 32.4% |
| Beta vs S&P 500 | 1.31 | 0.96 |
| Max drawdown (3Y) | -50.8% | -39.2% |
| Market cap | $2.3B | $0.4B |
| P/E (trailing) | 12.8 | 10.8 |
| Dividend yield | 0.00% | 2.43% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HRMY | RBB |
|---|---|---|
| 2022 | +29.2% | -18.5% |
| 2023 | -41.4% | -4.4% |
| 2024 | +6.5% | +11.0% |
| 2025 | +8.7% | +4.4% |
| 2026 | +6.5% | +29.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HRMY and RBB good diversifiers for each other?
Only partially. A correlation of 0.51 means HRMY and RBB share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between HRMY and RBB?
Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.56 over the last year and 0.34 over 5 years.
Is RBB a good diversifier for HRMY?
Only partially. A correlation of 0.51 means HRMY and RBB share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.51 mean?
On the −1 to +1 scale, 0.51 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/hrmy-vs-rbb.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/hrmy-vs-rbb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: HRMY correlations · RBB correlations
